BLOX Racing offers a full line of DIY performance parts. The Performance DIY line is perfect for building and assembling your own high performance component and products. 3-hole exhaust gaskets for sealing exhaust piping that made 3-hole flanges together. Ideal for any OEM or aftermarket exhaust system. Optional sizes: 2.25" /  2.5" / 2.75" / 3.0" / 3.5"